Brain hemorrhages can stop the Ex-virus / Stealth examining a body

“Believe it or not, it may have saved him from the ex-virus,” Sorensen continued. “If certain key parts of his brain were destroyed by the hemorrhaging, there won’t be enough left for the virus to reanimate.”
Stealth slid behind the desk and examined the body. It was still warm. Dead within the past two hours. There were no visible bullet wounds in the head, and the doctor didn’t appear to be armed, but she did not rule out the possibility of a low-caliber shot in the mouth.”

Excerpt From Ex-Patriots, pg 392
Peter Clines
https://books.apple.com/us/book/ex-patriots/id585738393